# 완강메이트 vs JunJun

The clearest difference is in-app purchases: JunJun at none against 완강메이트's 4. 완강메이트's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 완강메이트 sells 4 in-app purchases, starting at $1.99 per month. JunJun asks for nothing beyond the download.

완강메이트 ships an update every 2 days, JunJun daily. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 완강메이트 | JunJun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 38 MB | 17 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jinsung Jeong](https://appshunter.io/developer/1889761433) | [Jun Oyamada](https://appshunter.io/developer/6798144460) |

## What reviewers say

### 완강메이트

[App page](https://appshunter.io/ios/app/id6793607254)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 완강메이트 프로 | $1.99 | per month |
| 완강메이트 프로 연간 | $11.99 | per year |
| 100펭 | $0.49 | one-time |
| 600펭 | $2.99 | one-time |


### JunJun

[App page](https://appshunter.io/ios/app/junjun-study-community/id6798144458)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 완강메이트 free?

완강메이트 is free to download, with in-app purchases available.

### Is JunJun free?

JunJun is free to download, with no in-app purchases.

### Do 완강메이트 or JunJun have ads?

Neither 완강메이트 nor JunJun shows ads.

### Which is updated more often, 완강메이트 or JunJun?

완강메이트 ships an update every 2 days, and JunJun daily. Most recently, 완강메이트 was updated on September 29, 2026 and JunJun on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*